CN113027276A - Anti-pinch-free calibration method for automobile - Google Patents
Anti-pinch-free calibration method for automobile Download PDFInfo
- Publication number
- CN113027276A CN113027276A CN202110243071.4A CN202110243071A CN113027276A CN 113027276 A CN113027276 A CN 113027276A CN 202110243071 A CN202110243071 A CN 202110243071A CN 113027276 A CN113027276 A CN 113027276A
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- Prior art keywords
- window
- pinch
- window glass
- glass
- stroke
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 239000005357 flat glass Substances 0.000 claims abstract description 43
- 239000011521 glass Substances 0.000 claims abstract description 20
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003321 amplification Effects 0.000 claims 1
- 230000004069 differentiation Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 claims 1
- 238000003199 nucleic acid amplification method Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/42—Detection using safety edges
- E05F15/44—Detection using safety edges responsive to changes in electrical conductivity
- E05F15/443—Detection using safety edges responsive to changes in electrical conductivity specially adapted for vehicle windows or roofs
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/689—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings specially adapted for vehicle windows
- E05F15/695—Control circuits therefor
Abstract
The invention relates to an automobile anti-pinch-free calibration method, which comprises the steps of dividing window glass into an anti-pinch area and a safety area, designing default stroke of the window glass, replacing the default stroke with the actual window glass stroke of an automobile, installing a magnetic sensitive switch on a glass lifter, designing the position of a bottom dead center of the default window glass, namely a soft stop position, replacing the soft stop position after the full stroke initialization of the window glass, automatically adjusting the speed of a window motor by adopting PID control to enable the speed of the motor to be controllable, and reducing the speed of the motor when the window glass is about to reach the positions of the top dead center and the bottom dead center. The anti-pinch-free calibration method for the automobile does not need to perform anti-pinch calibration, does not need to calibrate the glass stroke, does not influence the anti-pinch function and the soft stop function no matter how the state of the car window system part changes, can effectively reduce the sound of the car window glass impact mechanism, and is simple and practical.
Description
Technical Field
The invention belongs to the technical field of automobile safety, and particularly relates to an anti-pinch-free calibration method for an automobile.
Background
At present, with the popularization of the anti-pinch function of the automobile, particularly the close connection between the anti-pinch function and the states of peripheral parts of a window system and a skylight system, when parts of the window system, such as a water cut part, a glass guide groove and the like, need to be calibrated again in a pinch-proof way, and new anti-pinch parameters need to be updated to a new automobile.
However, the above process is time consuming and causes waste of resources. If, can be when peripheral part state changes, need not recalibrate, and need not carry out the anti-pinch data update of vehicle, be a fine experience to developer and user like this.
Disclosure of Invention
The invention aims to provide a method for calibrating an automobile without clamping, so as to solve the problem that calibration is not needed under the condition that parts around a window are changed.
The purpose of the invention is realized by the following technical scheme:
an anti-pinch calibration method for an automobile comprises the following steps:
A. dividing the window glass into an anti-pinch area and a safety area, designing a default stroke of the window glass, replacing the default stroke of the window glass with an actual window glass stroke of a vehicle after the initial learning is completed for the first time, when the window glass acts, carrying out self-adaptive learning by a window controller at the same time, recording the position of the window glass constantly, judging the stroke of the window glass through a locked-rotor current, calculating the force of the window glass by the window controller, and if the window glass enters the anti-pinch area and rotates reversely;
B. installing a magnetic sensitive switch on the glass lifter, designing a default vehicle window glass bottom dead center position, namely a soft stop position, wherein the soft stop position is replaced after the vehicle window full stroke is initialized, the magnetic sensitive switch can acquire a dead center signal and send the dead center signal to a vehicle window controller, the magnetic sensitive switch is in an off state normally and outputs a low level, when the magnetic sensitive switch is switched on, the high level is output, when the vehicle window controller receives the high level, the vehicle window position is judged to enter a glass guide groove, and the speed of a motor is controlled to be reduced and slowly increased to the top;
C. the speed of the motor of the vehicle window is automatically adjusted by adopting PID control, so that the speed of the motor can be controlled, and when the vehicle window glass is about to reach the positions of the upper dead point and the lower dead point, the speed of the motor is reduced.
Further, in the step A, the safety zone is 0-4 mm.
Further, the smaller the value, the safer, and the safest when the safe area goes to 0.
Further, when the safety zone is 0, the window glass top dead center position is defined.
And step B, the magnetic sensitive switch is arranged at the top dead center position of the glass lifter motor and is communicated with the vehicle window controller through a hard wire.
Further, in the step B, the soft stop position is a position which is 10cm away from the bottom of the vehicle window.
And step C, in the running process, the window controller generates PWM pulses and sends the PWM pulses to a window lifter motor driving circuit, the PWM pulses are amplified to control the rotating speed of the window lifter motor, meanwhile, the current rotating speed is fed back to the window controller by using a speed detection module, and the duty ratio of the PWM pulses is changed after the window controller is controlled by PID, so that the rotating speed of the window lifter motor is automatically adjusted.
Compared with the prior art, the invention has the beneficial effects that:
the anti-pinch-free calibration method for the automobile does not need to perform anti-pinch calibration, does not need to calibrate the glass stroke, does not influence the anti-pinch function and the soft stop function no matter how the state of the car window system part changes, can effectively reduce the sound of the car window glass impact mechanism, and is simple and practical.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic view of the anti-pinching area, the safety area and the top and bottom dead center positions of a window pane.
Detailed Description
The invention is further illustrated by the following examples:
the present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in FIG. 1, the anti-pinch-free calibration method for the automobile comprises the following steps:
A. according to the standard GB11552-2009, the window glass is divided into an anti-pinch area and a safety area, a glass default stroke is designed according to experience, and the glass default stroke is replaced by the glass stroke of an actual vehicle after the initial learning is completed for the first time. The safety zone is 0-4 mm. Obviously, the smaller the value, the safer, the safest when the safe zone goes to 0. And when the safety zone is equal to 0, the safety zone is the position of the top dead center.
B. A magnetic-sensing switch is adopted on a glass lifting mechanism to acquire a dead point signal, the signal is sent to a vehicle window controller, a default bottom dead point position, namely a soft stop position (a position 10cm away from the bottom of a vehicle window), is designed initially, and the soft stop position is replaced after the initialization of a full stroke, so that the sound of glass impacting the mechanism in the descending process can be reduced.
The magnetic-sensing switch is used for collecting the top dead center signal, the anti-pinch problem is solved, full stroke anti-pinch is achieved, stroke calculation is not needed, a default stroke is designed initially, the default stroke is replaced after initial learning is completed for the first time, and the motor can only use a common motor, so that an anti-pinch system is simplified, and manufacturing difficulty and cost are reduced.
C. The method of adjusting the speed of the window motor is adopted, so that the speed of the motor is controllable, when the motor is about to reach the positions of the upper dead point and the lower dead point, the speed of the motor is reduced, and the sound of a glass impact mechanism is reduced. Specifically, PID control is used to automatically adjust the speed of the window motor.
Examples
An anti-pinch calibration method for an automobile comprises the following steps:
A. divide into the window glass and prevent pressing from both sides district and safe district, design a window glass's acquiescence stroke, after the initial study completion for the first time with the acquiescence stroke replacement of window glass for the actual window glass stroke of vehicle, when window glass took place to move, the window controller carries out the self-adaptation study simultaneously, constantly takes notes window glass position, judges window glass stroke through the locked rotor electric current, and the window controller calculates the window power, if get into and prevent pressing from both sides window glass reversal. The safety zone is 0-4mm, the smaller the value is, the safer the safety zone is, when the safety zone tends to 0, the safest the safety zone is, and when the safety zone is 0, the top dead center position of the window glass is.
B. The method comprises the steps that a magnetic sensitive switch is installed on a glass lifter, a default bottom dead center position, namely a soft stop position, is designed, the soft stop position is replaced after the full stroke initialization of a car window, the magnetic sensitive switch can collect dead center signals and send the dead center signals to a car window controller, the magnetic sensitive switch is in an off state normally, low level is output, high level is output when the magnetic sensitive switch is switched on, after the car window controller receives the high level, the car window position is judged to enter a glass guide groove, the speed of a motor is controlled to be reduced, and the speed is slowly increased to the top. The magnetic-sensing switch is arranged at the top dead center position of the glass lifter motor and is communicated with the vehicle window controller through a hard wire. The soft stop position is a position 10cm from the bottom of the vehicle window.
C. The speed of the motor of the vehicle window is automatically adjusted by adopting PID control, so that the speed of the motor can be controlled, and when the vehicle window glass is about to reach the positions of the upper dead point and the lower dead point, the speed of the motor is reduced. In the operation process, the window controller generates PWM pulses and sends the PWM pulses to the window lifter motor driving circuit, the rotation speed of the window lifter motor is controlled after the PWM pulses are amplified, meanwhile, the current rotation speed is fed back to the window controller by the speed detection module, and the duty ratio of the PWM pulses is changed after the window controller is controlled by PID, so that the purpose of automatically adjusting the rotation speed of the window lifter motor is achieved.
The anti-pinch-free calibration method for the automobile does not need calibration, and can realize an anti-pinch function and a soft stop function only after one-time full-stroke initialization learning; the anti-pinch parameters of the car window controller and the skylight controller are greatly influenced by peripheral parts, and the anti-pinch calibration is not required to be carried out again by applying the method due to the changes of the glass guide groove, the water cutter, the motor and the like.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (7)
1. An anti-pinch-free calibration method for an automobile is characterized by comprising the following steps:
A. dividing the window glass into an anti-pinch area and a safety area, designing a default stroke of the window glass, replacing the default stroke of the window glass with an actual window glass stroke of a vehicle after the initial learning is completed for the first time, when the window glass acts, carrying out self-adaptive learning by a window controller at the same time, recording the position of the window glass constantly, judging the stroke of the window glass through a locked-rotor current, calculating the force of the window glass by the window controller, and if the window glass enters the anti-pinch area and rotates reversely;
B. installing a magnetic sensitive switch on the glass lifter, designing a default vehicle window glass bottom dead center position, namely a soft stop position, wherein the soft stop position is replaced after the vehicle window full stroke is initialized, the magnetic sensitive switch can acquire a dead center signal and send the dead center signal to a vehicle window controller, the magnetic sensitive switch is in an off state normally and outputs a low level, when the magnetic sensitive switch is switched on, the high level is output, when the vehicle window controller receives the high level, the vehicle window position is judged to enter a glass guide groove, and the speed of a motor is controlled to be reduced and slowly increased to the top;
C. the speed of the motor of the vehicle window is automatically adjusted by adopting PID control, so that the speed of the motor can be controlled, and when the vehicle window glass is about to reach the positions of the upper dead point and the lower dead point, the speed of the motor is reduced.
2. The anti-pinch calibration method of the automobile according to claim 1, characterized in that: and step A, the safety zone is 0-4 mm.
3. The anti-pinch calibration method of the automobile as claimed in claim 2, wherein: the smaller the value, the safer, and the safest when the safe zone goes to 0.
4. The anti-pinch calibration method of the automobile as claimed in claim 3, wherein: and when the safety zone is equal to 0, the safety zone is the top dead center position of the window glass.
5. The anti-pinch calibration method of the automobile according to claim 1, characterized in that: and step B, the magnetic sensitive switch is arranged at the top dead center position of the glass lifter motor and is communicated with the vehicle window controller through a hard wire.
6. The anti-pinch calibration method of the automobile according to claim 1, characterized in that: and B, the soft stop position is a position 10cm away from the bottom of the car window.
7. The anti-pinch calibration method of the automobile according to claim 1, characterized in that: and step C, generating PWM (pulse-width modulation) pulses by the window controller in the operation process, sending the PWM pulses to a window lifter motor driving circuit, controlling the rotating speed of the window lifter motor after amplification, feeding the current rotating speed back to the window controller by using a speed detection module, and changing the duty ratio of the PWM pulses by the window controller after PID (proportion integration differentiation) control so as to realize automatic regulation of the rotating speed of the window lifter motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243071.4A CN113027276A (en) | 2021-03-05 | 2021-03-05 | Anti-pinch-free calibration method for automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243071.4A CN113027276A (en) | 2021-03-05 | 2021-03-05 | Anti-pinch-free calibration method for automobile |
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| Publication Number | Publication Date |
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| CN113027276A true CN113027276A (en) | 2021-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110243071.4A Pending CN113027276A (en) | 2021-03-05 | 2021-03-05 | Anti-pinch-free calibration method for automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114112437A (en) * | 2021-11-30 | 2022-03-01 | 东风汽车有限公司东风日产乘用车公司 | Vehicle window data calibration method, device, equipment and storage medium |
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| CN112065201A (en) * | 2020-09-25 | 2020-12-11 | 上海沐途汽车科技有限公司 | Whole vehicle cross system and method with glass anti-pinch function |
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2021
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| US20070003258A1 (en) * | 2005-06-30 | 2007-01-04 | Gunter Franzan | Anti-Trap Protection Detection Based on Comparing the Duty Cycle of a PWM Control System |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114112437A (en) * | 2021-11-30 | 2022-03-01 | 东风汽车有限公司东风日产乘用车公司 | Vehicle window data calibration method, device, equipment and storage medium |
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